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United States Patent | 5,121,994 |
Molitoris | June 16, 1992 |
A thermocouple probe for use in an autoclave has two conductive wires spaced apart and supported in parallel relation by fluoropolymer insulation material. The structure is air-tight which eliminates vacuum and/or steam leakage along the wire and is relatively flat so as not to disrupt the seal where the thermocouple passes through the autoclave. A method is also provided to produce the thermocouple in a single extrusion step that ensures uniformity, proper calibration and reliability of the thermocouple.
Inventors: | Molitoris; Theodore M. (Saddle Brook, NJ) |
Assignee: | Thermo Electric Co. (Saddle Brook, NJ) |
Appl. No.: | 671508 |
Filed: | March 19, 1991 |
Current U.S. Class: | 374/179; 136/232; 136/233 |
Intern'l Class: | G01K 007/02; H01L 035/02; H01L 035/34 |
Field of Search: | 374/179 136/230,232,233,234,242 |
1660504 | Feb., 1928 | Grubb | 374/179. |
2676195 | Apr., 1954 | Hart | 136/232. |
2915575 | Dec., 1959 | Thomas | 136/232. |
3284247 | Nov., 1966 | McCall | 136/233. |
3305405 | Feb., 1967 | Jamieson | 136/233. |
4369795 | Jan., 1983 | Bicher et al. | 374/179. |
4454370 | Jun., 1984 | Voznick | 374/179. |
4638107 | Jan., 1987 | Davis | 136/233. |
4647710 | Mar., 1987 | Davis | 136/233. |
4752770 | Jun., 1988 | St. Pierre | 374/179. |
Foreign Patent Documents | |||
0158388 | Nov., 1955 | CA | 136/234. |
1027909 | Apr., 1958 | DE | 136/233. |